Class-book of physiology : for the use of schools and families : comprising the structure and functions of the organs of man, illustrated by comparative reference to those of inferior animals . 5, c, The two layers of the cutis vera. d, A sweat-gland, surrounded by cells of fat, and sending its•piral duct upward through all the layers of the skin to the surface. Figure 2. A Section of the Skin, Showing the hair follicles and sebaceous glands. a, a, Sebaceous glands, opening into the hair follicle, b, A hair, with its follicle, c, sur-rounded by fat-cells. Figure 3. A Section of the Thumb, Show
Class-book of physiology : for the use of schools and families : comprising the structure and functions of the organs of man, illustrated by comparative reference to those of inferior animals . 5, c, The two layers of the cutis vera. d, A sweat-gland, surrounded by cells of fat, and sending its•piral duct upward through all the layers of the skin to the surface. Figure 2. A Section of the Skin, Showing the hair follicles and sebaceous glands. a, a, Sebaceous glands, opening into the hair follicle, b, A hair, with its follicle, c, sur-rounded by fat-cells. Figure 3. A Section of the Thumb, Showing the manner in which the nail is inserted between the folds of the skin.—a, The last bone of the thumb, b, The cuticle reflectedupon the root of the nail, c, The nail, d, The cuticle of the point of the thumb, contin-uous with that at the inner surface of the nail. Figure 4. Papilla of the Skin, magnified, containing expansions of the nerves an<l of the capillary blood-vessels. Fioure 5. The Spiral Arrangement of the Papillm at the ends of the Fuucft, »• which the sense of touch is especially seated. Figube 6. Sensitive hairs supplied with nerves. Fie 1 Fi g 2 41hi m \§m. ?>v^ Pig 3
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectphysiologicalprocess
